5 Common Roofing Mistakes You Should Avoid at All Costs

Making sure that your roof does its job is a necessary expense for any homeowner. Some folks may decide to do the job themselves, while others choose to bring in the professionals. Both options have their pros and cons, but they share one thing in common: If the job is done poorly, there will be problems further down the line.


The roof is the first line of defense against the elements and helps to get us all dry and warm. Therefore, it is essential that you take a quick look at these five common roofing mistakes you should avoid at all costs.

Choosing the Wrong Materials

Inexperienced contractors and DIYers may not have the right expertise when it comes to choosing the right types of materials for the job. This is because not all roofs are created equal and will be exposed to different kinds of conditions.

The slope of your roof and the natural environment will determine which shingles are best suited to your roof. Opting for the cheapest option can have disastrous consequences.

Poorly Installed Flashing

Flashing helps to move water away from areas of the roof such as chimneys and vents. You should ensure that the flashing is working correctly before beginning any new shingle installation. Any damaged flashing will need to be replaced or repaired before continuing with the project. Failure to do so can lead to problems later on.

Incorrect Use of Nails

Using too few or too many nails can have a significant impact on the longevity of your roofing. Some less-than-honest contractors might try to cut some corners by using fewer nails than the job requires. Failure to properly secure the shingles can lead to them becoming loose, which can expose your roof to the elements.

Each shingle needs about four nails, and this will be clearly indicated on a nail strip on each shingle. If you are going to do the job yourself, make sure that you are familiar with the optimal nailing conditions for your roof and the type of shingle you are using.

Poor Shingle Alignment

The shingles need to be correctly aligned to work properly. They should be installed in straight lines, and you should continuously check throughout the project. If you notice any uneven areas, then the shingles should be realigned before moving on.

Not only does an uneven line look bad, but it can also void the manufacturer’s warranty. If you are hiring a contractor, ask to see some example of their previous work before signing up with them.

Overestimating Your Skills

Many people take care of their home maintenance to save themselves some money. However, if you don’t understand the demands of the task at hand, then your efforts can end up costing you more money in the long run.

Taking care of your roof can be a very tricky job, so you should clearly understand the demands of the task before you get started. You will also need the right equipment and materials, as well as the know-how on how to do the job safely. Be honest with yourself during the planning stage, and if you don’t think you have the necessary skill set or the time to do the job properly, do yourself a favor and call in the professionals.

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Chris Stevenson